can b12 injection cause constipation Vitamin B12: What Are the Health Benefits? Do others experience side effects

Many products sold online or from unverified sources may be low quality, contaminated, or unsafe

Vitamin B12 is a requirement your body needs to function properly, as well as the development of the brain, nerves, blood cells and so much more

Over 250 pounds (113kg+): Maximum standard dosing of 500mcg applies, though some individuals may benefit from extending cycle length rather than increasing dose

gauze packs 20-mL syringe with local anesthetic Sterile gloves, marking pen, and surface electrode One 1.5 -in., 25-gauge needle for skin infiltration A 10-cm long, short-bevel, insulated stimulating needle (15 cm for anterior approach) Peripheral nerve stimulator Injection pressure monitor Learn more about Equipment for Regional Anesthesia

They may include: Slight discomfort at the injection site Mild redness or swelling Temporary dizziness Mild headache Serious side effects are uncommon, but it is important to discuss medical history, allergies, medications, and any concerns before treatment